Method: Iodine::Connection#handler=

Defined in:
ext/iodine/iodine_connection.c

#handler=(handler) ⇒ Object

Sets the client's callback object, so future events will use the new object's callbacks.



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# File 'ext/iodine/iodine_connection.c', line 360

static VALUE iodine_connection_handler_set(VALUE self, VALUE handler) {
  // clang-format on
  iodine_connection_data_s *data = iodine_connection_validate_data(self);
  if (!data) {
    FIO_LOG_DEBUG("(iodine) attempted to set a connection handler for "
                  "an invalid connection: %p",
                  (void *)self);
    return Qnil;
  }
  if (handler == Qnil || handler == Qfalse) {
    FIO_LOG_DEBUG(
        "(iodine) called client.handler = nil, closing connection: %p",
        (void *)self);
    iodine_connection_close(self);
    return Qnil;
  }
  if (data->info.handler != handler) {
    uint8_t answers_on_open = (rb_respond_to(handler, on_open_id) != 0);
    if (data->answers_on_close)
      IodineCaller.call2(data->info.handler, on_close_id, 1, &self);
    fio_lock(&data->lock);
    data->info.handler = handler;
    data->answers_on_open = answers_on_open,
    data->answers_on_message = (rb_respond_to(handler, on_message_id) != 0),
    data->answers_ping = (rb_respond_to(handler, ping_id) != 0),
    data->answers_on_drained = (rb_respond_to(handler, on_drained_id) != 0),
    data->answers_on_shutdown = (rb_respond_to(handler, on_shutdown_id) != 0),
    data->answers_on_close = (rb_respond_to(handler, on_close_id) != 0),
    fio_unlock(&data->lock);
    if (answers_on_open) {
      iodine_connection_fire_event(self, IODINE_CONNECTION_ON_OPEN, Qnil);
    }
    FIO_LOG_DEBUG("(iodine) switched handlers for connection: %p",
                  (void *)self);
  }
  return handler;
}